000
FZNT24 KNHC 312106
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
430 PM CDT SAT JUL 31 2010

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO

SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE 
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE 
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. 

GMZ089-010330-
SYNOPSIS FOR THE GULF OF MEXICO
430 PM CDT SAT JUL 31 2010

.SYNOPSIS...A TROUGH EXTENDS FROM THE FLORIDA PANHANDLE SW TO 
NEAR 24N89W WITH SHOWERS AND TSTMS PERSISTING ALONG AND TO THE 
W. THE S PORTION OF THIS TROUGH WILL BEGIN TO DRIFT W AND DETACH 
FROM THE N PART AS A TROPICAL WAVE ACROSS THE FAR W CARIB MOVES 
ACROSS THE YUCATAN PENINSULA TONIGHT AND ACROSS THE FAR SW GULF 
SUN EVENING AND NIGHT. THE N PORTION OF THE TROUGH WILL DRIFT NW 
AND WEAKEN SUN THROUGH MON AS A RIDGE WILL BUILD W ACROSS THE 
NORTHERN GULF WATERS.

$$
GMZ080-010330-
NW GULF N OF 25N W OF 90W 
INCLUDING THE FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 1030 
430 PM CDT SAT JUL 31 2010

.TONIGHT...W OF 94W SW TO W WINDS 5 TO 10 KT. SEAS 1 TO 2 FT. E 
OF 94W NW TO N WINDS 10 TO 15 KT DIMINISHING TO 5 TO 10 KT LATE. 
SEAS 2 FT.
.SUN AND SUN NIGHT...VARIABLE WINDS 5 TO 10 KT. SEAS 1 T0 2 FT.
.MON THROUGH TUE...SE TO S WINDS 5 TO 10 KT BECOMING E TO SE 10 
TO 15 KT TUE. SEAS 1 TO 2 FT.
.WED AND THU...E TO SE WINDS 10 KT. SEAS 1 TO 2 FT.   

$$
GMZ082-010330-
SW GULF S OF 25N W OF 90W
430 PM CDT SAT JUL 31 2010

.TONIGHT...N OF 23N VARIABLE WINDS 5 TO 10 KT EXCEPT NW TO N 
WINDS 10 KT NE PART. SEAS 1 TO 3 FT. S OF 23N N TO NE WINDS 10 
KT. SEAS 1 TO 2 FT. SCATTERED SHOWERS ISOLATED TSTMS FAR NE PART.
.SUN AND SUN NIGHT...VARIABLE WINDS 5 TO 10 KT. SEAS 1 T0 2 FT.
.MON THROUGH TUE...E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
.WED...NE TO E WINDS 5 TO 10 KT. SEAS 2 FT.
.THU...E TO SE WINDS 10 KT. SEAS 1 TO 2 FT. 

$$
GMZ084-010330-
MIDDLE GULF BETWEEN 85W AND 90W 
430 PM CDT SAT JUL 31 2010

.TONIGHT...NW OF TROUGH NW TO N WINDS 10 KT. SEAS 2 TO 3 FT. SE 
OF TROUGH S TO SW WINDS 5 TO 10 KT. SEAS 1 TO 2 FT. SCATTERED 
SHOWERS ISOLATED TSTMS ALONG AND NW OF TROUGH.
.SUN AND SUN NIGHT...SE TO S WINDS 5 TO 10 KT. SEAS 1 TO 2 FT.
.MON THROUGH TUE...N OF 26N VARIABLE WINDS 5 TO 10 KT. SEAS 1 TO 
2 FT. S OF 26N NE TO E WINDS 5 TO 10 KT INCREASING TO 15 KT 
YUCATAN CHANNEL LATE TUE. SEAS 1 TO 3 FT.  
.WED AND THU...N OF 28N VARIABLE WINDS 5 TO 10 KT. SEAS 1 FT. S 
OF 28N NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT...HIGHEST NEAR 
YUCATAN CHANNEL.

$$
GMZ086-010330-
E GULF BETWEEN 81W AND 85W...
430 PM CDT SAT JUL 31 2010

.TONIGHT...S TO SW WINDS 5 TO 10 KT. SEAS 1 TO 3 FT. ISOLATED 
SHOWERS AND TSTMS.
.SUN AND SUN NIGHT...N OF 25N S TO SW WINDS 5 TO 10 KT BECOMING 
VARIABLE SUN NIGHT. S OF 25N E TO SE WINDS 10 KT. SEAS 1 TO 2 FT.
.MON THROUGH TUE...N OF 25N VARIABLE WINDS 5 TO 10 KT. SEAS 1 
FT. S OF 25N NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
.WED AND THU...N OF 28N VARIABLE WINDS 5 TO 10 KT. SEAS 1 FT. S 
OF 28N E WINDS 10 TO 15 KT. SEAS 1 TO 3 FT.

$$
FORECASTER GR